What are several problems that often occur in color-coated rolls?
Time:
2023-05-19
In the process of applying color-coated rolls, it is inevitable that some small results will appear, and we must face these results. The following editor will list the results in detail.
In the process of applying color-coated rolls, it is inevitable that some small results will appear, and we must face these results. The following editor will list the results in detail.
The first is the detailed parts of the color coating roll:
1. The substrate is scratched
2. Pay attention to the scratches on the back of the veneer of the product, which will cause color difference. The light color on the back is easy to cause color difference.
3. Scratch on the spray pipe: mainly refers to the front of the plate belt
4. Inlet section, guide plate scratched (main back)
5. Scratches in the curing furnace The sagging (rare) of the objects in the furnace is too large, and the front is scratched, and the tension is too large when the thick material is replaced by the thin material.
6. When stopping or unloading, the exit looper is scratched (rare)
7. The extrusion roller is scratched. Usually when the extrusion roller does not rotate
8. The foreign body in the outlet section is scratched, there is a foreign body on the outlet guide plate, and the surface of the color plate is scratched by the back or the knife on the scissors
9. The S roller is scratched, and the water-cooled squeezing effect is not good. If the water is brought into the S roller, the tension in the furnace body and the tension in the outlet looper are too different, which constitutes the S roller slipping.
10. The temperature of the initial coating curing oven plate is not enough, the paint is not cured well, and the shaking roller before water cooling sticks off the back paint.
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